{ "contractName": "Address", "abi": [], "metadata": "{\"compiler\":{\"version\":\"0.6.8+commit.0bbfe453\"},\"language\":\"Solidity\",\"output\":{\"abi\":[],\"devdoc\":{\"details\":\"Collection of functions related to the address type\",\"methods\":{}},\"userdoc\":{\"methods\":{}}},\"settings\":{\"compilationTarget\":{\"@openzeppelin/contracts/utils/Address.sol\":\"Address\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":10000},\"remappings\":[]},\"sources\":{\"@openzeppelin/contracts/utils/Address.sol\":{\"keccak256\":\"0xf5fa8cbdffa5ef8be49b246b5628facc30b71707e78a45d80d93b64eff3fe390\",\"license\":\"MIT\",\"urls\":[\"bzz-raw://774e78a9ff32792cc95db4d2ceaf3a7965bb7f0bea5e6cb7cff182b450d44b37\",\"dweb:/ipfs/QmRRMC4uj7eAcLW7chynA3sNEYULMFazdLwQHKHQPyzAbA\"]}},\"version\":1}", "bytecode": "0x60566023600b82828239805160001a607314601657fe5b30600052607381538281f3fe73000000000000000000000000000000000000000030146080604052600080fdfea264697066735822122047e38311862873452bfbb7270e2a3b07e5a74bdfccfb0f8f69b2ff6ef7baf97c64736f6c63430006080033", "deployedBytecode": "0x73000000000000000000000000000000000000000030146080604052600080fdfea264697066735822122047e38311862873452bfbb7270e2a3b07e5a74bdfccfb0f8f69b2ff6ef7baf97c64736f6c63430006080033", "immutableReferences": {}, "sourceMap": "126:5754:4:-:0;;132:2:-1;166:7;155:9;146:7;137:37;255:7;249:14;246:1;241:23;235:4;232:33;222:2;;269:9;222:2;293:9;290:1;283:20;323:4;314:7;306:22;347:7;338;331:24", "deployedSourceMap": "126:5754:4:-:0;;;;;;12:1:-1;9;2:12", "source": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.6.2;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n /**\n * @dev Returns true if `account` is a contract.\n *\n * [IMPORTANT]\n * ====\n * It is unsafe to assume that an address for which this function returns\n * false is an externally-owned account (EOA) and not a contract.\n *\n * Among others, `isContract` will return false for the following\n * types of addresses:\n *\n * - an externally-owned account\n * - a contract in construction\n * - an address where a contract will be created\n * - an address where a contract lived, but was destroyed\n * ====\n */\n function isContract(address account) internal view returns (bool) {\n // This method relies in extcodesize, which returns 0 for contracts in\n // construction, since the code is only stored at the end of the\n // constructor execution.\n\n uint256 size;\n // solhint-disable-next-line no-inline-assembly\n assembly { size := extcodesize(account) }\n return size > 0;\n }\n\n /**\n * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n * `recipient`, forwarding all available gas and reverting on errors.\n *\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\n * imposed by `transfer`, making them unable to receive funds via\n * `transfer`. {sendValue} removes this limitation.\n *\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n *\n * IMPORTANT: because control is transferred to `recipient`, care must be\n * taken to not create reentrancy vulnerabilities. Consider using\n * {ReentrancyGuard} or the\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n */\n function sendValue(address payable recipient, uint256 amount) internal {\n require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n // solhint-disable-next-line avoid-low-level-calls, avoid-call-value\n (bool success, ) = recipient.call{ value: amount }(\"\");\n require(success, \"Address: unable to send value, recipient may have reverted\");\n }\n\n /**\n * @dev Performs a Solidity function call using a low level `call`. A\n * plain`call` is an unsafe replacement for a function call: use this\n * function instead.\n *\n * If `target` reverts with a revert reason, it is bubbled up by this\n * function (like regular Solidity function calls).\n *\n * Returns the raw returned data. To convert to the expected return value,\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n *\n * Requirements:\n *\n * - `target` must be a contract.\n * - calling `target` with `data` must not revert.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n return functionCall(target, data, \"Address: low-level call failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n * `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {\n return _functionCallWithValue(target, data, 0, errorMessage);\n }\n\n /**\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n * but also transferring `value` wei to `target`.\n *\n * Requirements:\n *\n * - the calling contract must have an ETH balance of at least `value`.\n * - the called Solidity function must be `payable`.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n }\n\n /**\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n * with `errorMessage` as a fallback revert reason when `target` reverts.\n *\n * _Available since v3.1._\n */\n function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {\n require(address(this).balance >= value, \"Address: insufficient balance for call\");\n return _functionCallWithValue(target, data, value, errorMessage);\n }\n\n function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {\n require(isContract(target), \"Address: call to non-contract\");\n\n // solhint-disable-next-line avoid-low-level-calls\n (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);\n if (success) {\n return returndata;\n } else {\n // Look for revert reason and bubble it up if present\n if (returndata.length > 0) {\n // The easiest way to bubble the revert reason is using memory via assembly\n\n // solhint-disable-next-line no-inline-assembly\n assembly {\n let returndata_size := mload(returndata)\n revert(add(32, returndata), returndata_size)\n }\n } else {\n revert(errorMessage);\n }\n }\n }\n}\n", "sourcePath": "@openzeppelin/contracts/utils/Address.sol", "ast": { "absolutePath": "@openzeppelin/contracts/utils/Address.sol", "exportedSymbols": { "Address": [ 998 ] }, "id": 999, "license": "MIT", "nodeType": "SourceUnit", 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"t_stringliteral_51ddaa38748c0a1144620fb5bfe8edab31ea437571ad591a7734bbfd0429aeae", "typeString": "literal_string \"Address: unable to send value, recipient may have reverted\"" } ], "id": 851, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ -18, -18 ], "referencedDeclaration": -18, "src": "2354:7:4", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 854, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "2354:78:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 855, "nodeType": "ExpressionStatement", "src": "2354:78:4" } ] }, "documentation": { "id": 824, "nodeType": "StructuredDocumentation", "src": "1137:906:4", "text": "@dev Replacement for Solidity's `transfer`: sends `amount` wei to\n`recipient`, forwarding all available gas and reverting on errors.\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\nof certain opcodes, possibly making contracts go over the 2300 gas limit\nimposed by `transfer`, making them unable to receive funds via\n`transfer`. {sendValue} removes this limitation.\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n * IMPORTANT: because control is transferred to `recipient`, care must be\ntaken to not create reentrancy vulnerabilities. Consider using\n{ReentrancyGuard} or the\nhttps://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]." }, "id": 857, "implemented": true, "kind": "function", "modifiers": [], "name": "sendValue", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 829, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 826, "mutability": "mutable", "name": "recipient", "nodeType": "VariableDeclaration", "overrides": null, "scope": 857, "src": "2067:25:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, "typeName": { "id": 825, "name": "address", "nodeType": "ElementaryTypeName", "src": "2067:15:4", "stateMutability": "payable", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 828, "mutability": "mutable", "name": "amount", "nodeType": "VariableDeclaration", "overrides": null, "scope": 857, "src": "2094:14:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 827, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2094:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "2066:43:4" }, "returnParameters": { "id": 830, "nodeType": "ParameterList", "parameters": [], "src": "2119:0:4" }, "scope": 998, "src": "2048:391:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 873, "nodeType": "Block", "src": "3269:82:4", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 868, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 860, "src": "3297:6:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 869, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 862, "src": "3305:4:4", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "argumentTypes": null, "hexValue": "416464726573733a206c6f772d6c6576656c2063616c6c206661696c6564", "id": 870, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "3311:32:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_24d7ab5d382116e64324f19950ca9340b8af1ddeb09a8d026e0a3c6a01dcc9df", "typeString": "literal_string \"Address: low-level call failed\"" }, "value": "Address: low-level call failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_stringliteral_24d7ab5d382116e64324f19950ca9340b8af1ddeb09a8d026e0a3c6a01dcc9df", "typeString": "literal_string \"Address: low-level call failed\"" } ], "id": 867, "name": "functionCall", "nodeType": "Identifier", "overloadedDeclarations": [ 874, 894 ], "referencedDeclaration": 894, "src": "3284:12:4", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$_t_string_memory_ptr_$returns$_t_bytes_memory_ptr_$", "typeString": "function (address,bytes memory,string memory) returns (bytes memory)" } }, "id": 871, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3284:60:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 866, "id": 872, "nodeType": "Return", "src": "3277:67:4" } ] }, "documentation": { "id": 858, "nodeType": "StructuredDocumentation", "src": "2445:730:4", "text": "@dev Performs a Solidity function call using a low level `call`. A\nplain`call` is an unsafe replacement for a function call: use this\nfunction instead.\n * If `target` reverts with a revert reason, it is bubbled up by this\nfunction (like regular Solidity function calls).\n * Returns the raw returned data. To convert to the expected return value,\nuse https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n * Requirements:\n * - `target` must be a contract.\n- calling `target` with `data` must not revert.\n * _Available since v3.1._" }, "id": 874, "implemented": true, "kind": "function", "modifiers": [], "name": "functionCall", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 863, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 860, "mutability": "mutable", "name": "target", "nodeType": "VariableDeclaration", "overrides": null, "scope": 874, "src": "3202:14:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 859, "name": "address", "nodeType": "ElementaryTypeName", "src": "3202:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 862, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 874, "src": "3218:17:4", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 861, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3218:5:4", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "3201:35:4" }, "returnParameters": { "id": 866, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 865, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 874, "src": "3255:12:4", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 864, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3255:5:4", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "3254:14:4" }, "scope": 998, "src": "3180:171:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 893, "nodeType": "Block", "src": "3690:77:4", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 887, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 877, "src": "3730:6:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 888, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 879, "src": "3738:4:4", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "argumentTypes": null, "hexValue": "30", "id": 889, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "3744:1:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, { "argumentTypes": null, "id": 890, "name": "errorMessage", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 881, "src": "3747:12:4", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, { "typeIdentifier": "t_string_memory_ptr", "typeString": "string memory" } ], "id": 886, "name": "_functionCallWithValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 997, "src": "3707:22:4", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$_t_uint256_$_t_string_memory_ptr_$returns$_t_bytes_memory_ptr_$", "typeString": "function (address,bytes memory,uint256,string memory) returns (bytes memory)" } }, "id": 891, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3707:53:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 885, "id": 892, "nodeType": "Return", "src": "3700:60:4" } ] }, "documentation": { "id": 875, "nodeType": "StructuredDocumentation", "src": "3357:211:4", "text": "@dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n`errorMessage` as a fallback revert reason when `target` reverts.\n * _Available since v3.1._" }, "id": 894, "implemented": true, "kind": "function", "modifiers": [], "name": "functionCall", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 882, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 877, "mutability": "mutable", "name": "target", "nodeType": "VariableDeclaration", "overrides": null, "scope": 894, "src": "3595:14:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 876, "name": "address", "nodeType": "ElementaryTypeName", "src": "3595:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 879, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 894, "src": "3611:17:4", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 878, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3611:5:4", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 881, "mutability": "mutable", "name": "errorMessage", "nodeType": "VariableDeclaration", "overrides": null, "scope": 894, "src": "3630:26:4", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_string_memory_ptr", "typeString": "string" }, "typeName": { "id": 880, "name": "string", "nodeType": "ElementaryTypeName", "src": "3630:6:4", "typeDescriptions": { "typeIdentifier": "t_string_storage_ptr", "typeString": "string" } }, "value": null, "visibility": "internal" } ], "src": "3594:63:4" }, "returnParameters": { "id": 885, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 884, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 894, "src": "3676:12:4", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 883, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3676:5:4", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "3675:14:4" }, "scope": 998, "src": "3573:194:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 913, "nodeType": "Block", "src": "4242:111:4", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 907, "name": "target", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 897, "src": "4281:6:4", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 908, "name": "data", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 899, "src": "4289:4:4", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, { "argumentTypes": null, "id": 909, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 901, "src": "4295:5:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "hexValue": "416464726573733a206c6f772d6c6576656c2063616c6c20776974682076616c7565206661696c6564", "id": 910, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4302:43:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_88a4a0b5e975840320a0475d4027005235904fdb5ece94df156f3d717cb2dbfc", "typeString": "literal_string \"Address: low-level call with value failed\"" }, "value": "Address: low-level call with value failed" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" }, { "typeIdentifier": "t_stringliteral_88a4a0b5e975840320a0475d4027005235904fdb5ece94df156f3d717cb2dbfc", "typeString": "literal_string \"Address: low-level call with value failed\"" } ], "id": 906, "name": "functionCallWithValue", "nodeType": "Identifier", "overloadedDeclarations": [ 914, 947 ], "referencedDeclaration": 947, "src": "4259:21:4", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_address_$_t_bytes_memory_ptr_$_t_uint256_$_t_string_memory_ptr_$returns$_t_bytes_memory_ptr_$", "typeString": "function (address,bytes memory,uint256,string memory) returns (bytes memory)" } }, "id": 911, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4259:87:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "functionReturnParameters": 905, "id": 912, "nodeType": "Return", "src": "4252:94:4" } ] }, "documentation": { "id": 895, "nodeType": "StructuredDocumentation", "src": "3773:351:4", "text": "@dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\nbut also transferring `value` wei to `target`.\n * Requirements:\n * - the calling contract must have an ETH balance of at least `value`.\n- the called Solidity function must be `payable`.\n * _Available since v3.1._" }, "id": 914, "implemented": true, "kind": "function", "modifiers": [], "name": "functionCallWithValue", "nodeType": "FunctionDefinition", "overrides": null, "parameters": { "id": 902, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 897, "mutability": "mutable", "name": "target", "nodeType": "VariableDeclaration", "overrides": null, "scope": 914, "src": "4160:14:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 896, "name": "address", "nodeType": "ElementaryTypeName", "src": "4160:7:4", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 899, "mutability": "mutable", "name": "data", "nodeType": "VariableDeclaration", "overrides": null, "scope": 914, "src": "4176:17:4", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 898, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4176:5:4", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 901, "mutability": "mutable", "name": "value", "nodeType": "VariableDeclaration", "overrides": null, "scope": 914, "src": "4195:13:4", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 900, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4195:7:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "4159:50:4" }, "returnParameters": { "id": 905, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 904, "mutability": "mutable", "name": "", "nodeType": "VariableDeclaration", "overrides": null, "scope": 914, "src": "4228:12:4", "stateVariable": false, "storageLocation": "memory", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes" }, "typeName": { "id": 903, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "4228:5:4", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" } ], "src": "4227:14:4" }, "scope": 998, "src": "4129:224:4", "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, { "body": { "id": 946, "nodeType": "Block", "src": "4742:172:4", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 935, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 931, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": -28, "src": "4768:4:4", "typeDescriptions": { "typeIdentifier": "t_contract$_Address_$998", "typeString": "library Address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_Address_$998", "typeString": "library Address" } ], "id": 930, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "4760:7:4", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 929, "name": "address", "nodeType": "ElementaryTypeName", "src": "4760:7:4", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 932, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4760:13:4", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 933, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balance", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "4760:21:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 934, "name": "value", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 921, "src": "4785:5:4", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "4760:30:4", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "416464726573733a20696e73756666696369656e742062616c616e636520666f722063616c6c", "id": 936, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "4792:40:4", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_565f1a77334fc4792800921178c71e4521acffab18ff9e7885b49377ee80ab4c", "typeString": 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https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n * IMPORTANT: because control is transferred to `recipient`, care must be\ntaken to not create reentrancy vulnerabilities. Consider using\n{ReentrancyGuard} or the\nhttps://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]." }, "id": 824, "name": "StructuredDocumentation", "src": "1137:906:4" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "recipient", "overrides": null, "scope": 857, "stateVariable": false, "storageLocation": "default", "type": "address payable", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "payable", "type": "address payable" }, "id": 825, "name": "ElementaryTypeName", "src": "2067:15:4" } ], "id": 826, "name": "VariableDeclaration", "src": "2067:25:4" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "amount", "overrides": null, "scope": 857, "stateVariable": false, "storageLocation": "default", "type": "uint256", "value": null, "visibility": "internal" }, 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"subdenomination": null, "token": "string", "type": "literal_string \"Address: unable to send value, recipient may have reverted\"", "value": "Address: unable to send value, recipient may have reverted" }, "id": 853, "name": "Literal", "src": "2371:60:4" } ], "id": 854, "name": "FunctionCall", "src": "2354:78:4" } ], "id": 855, "name": "ExpressionStatement", "src": "2354:78:4" } ], "id": 856, "name": "Block", "src": "2119:320:4" } ], "id": 857, "name": "FunctionDefinition", "src": "2048:391:4" }, { "attributes": { "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "functionCall", "overrides": null, "scope": 998, "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, "children": [ { "attributes": { "text": "@dev Performs a Solidity function call using a low level `call`. A\nplain`call` is an unsafe replacement for a function call: use this\nfunction instead.\n * If `target` reverts with a revert reason, it is bubbled up by this\nfunction (like regular Solidity function calls).\n * Returns the raw returned data. To convert to the expected return value,\nuse https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n * Requirements:\n * - `target` must be a contract.\n- calling `target` with `data` must not revert.\n * _Available since v3.1._" }, "id": 858, "name": "StructuredDocumentation", "src": "2445:730:4" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "target", "overrides": null, "scope": 874, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 859, "name": "ElementaryTypeName", "src": "3202:7:4" } ], "id": 860, "name": "VariableDeclaration", "src": "3202:14:4" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "data", "overrides": null, "scope": 874, "stateVariable": 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"virtual": false, "visibility": "internal" }, "children": [ { "attributes": { "text": "@dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n`errorMessage` as a fallback revert reason when `target` reverts.\n * _Available since v3.1._" }, "id": 875, "name": "StructuredDocumentation", "src": "3357:211:4" }, { "children": [ { "attributes": { "constant": false, "mutability": "mutable", "name": "target", "overrides": null, "scope": 894, "stateVariable": false, "storageLocation": "default", "type": "address", "value": null, "visibility": "internal" }, "children": [ { "attributes": { "name": "address", "stateMutability": "nonpayable", "type": "address" }, "id": 876, "name": "ElementaryTypeName", "src": "3595:7:4" } ], "id": 877, "name": "VariableDeclaration", "src": "3595:14:4" }, { "attributes": { "constant": false, "mutability": "mutable", "name": "data", "overrides": null, "scope": 894, "stateVariable": false, "storageLocation": "memory", "type": "bytes", 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"name": "Identifier", "src": "3747:12:4" } ], "id": 891, "name": "FunctionCall", "src": "3707:53:4" } ], "id": 892, "name": "Return", "src": "3700:60:4" } ], "id": 893, "name": "Block", "src": "3690:77:4" } ], "id": 894, "name": "FunctionDefinition", "src": "3573:194:4" }, { "attributes": { "implemented": true, "isConstructor": false, "kind": "function", "modifiers": [ null ], "name": "functionCallWithValue", "overrides": null, "scope": 998, "stateMutability": "nonpayable", "virtual": false, "visibility": "internal" }, "children": [ { "attributes": { "text": "@dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\nbut also transferring `value` wei to `target`.\n * Requirements:\n * - the calling contract must have an ETH balance of at least `value`.\n- the called Solidity function must be `payable`.\n * _Available since v3.1._" }, "id": 895, "name": "StructuredDocumentation", "src": "3773:351:4" }, { "children": [ { "attributes": { "constant": false, "mutability": 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